Home / 2,836.26-4,254.80-887.81

Finding the Fourth Proportional to 2,836.26, 4,254.80 and 887.81

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Solution

The fourth proportional to 2,836.26, 4,254.80 and 887.81 is: 1,331.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,836.26 : 4,254.80 = 887.81 : x
  2. Step 2: Convert to fraction form
    2,836.26/4,254.80 = 887.81/x
  3. Step 3: Cross multiply
    2,836.26x = 4,254.80 × 887.81
  4. Step 4: Simplify right side
    2,836.26x = 3,777,428.27
  5. Step 5: Solve for x
    x = 3,777,428.27/2,836.26
  6. Step 6: Final answer
    x = 1,331.83

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.